deletions | additions       diff --git a/figures/fig_swans_col/caption.tex b/figures/fig_swans_col/caption.tex  index 765e31a..74fb803 100644  --- a/figures/fig_swans_col/caption.tex  +++ b/figures/fig_swans_col/caption.tex 
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\label{fig:swanscol} Colour photograph of swans (inset) and \textsc{skv}$_{50}$ calculated independently on all three colour layers and displayed such that the layer with the largest \textsc{skv} value is colour coded. View the video version of this investigation at \texttt{https://youtu.be/6PTVJrw5UvQ} \texttt{https://youtu.be/275ffGuymvo}